/** * @covers ::getId */ public function testGetId() { $this->assertNull($this->address->getId()); $reflectedAddress = new ReflectionClass($this->address); $reflectedId = $reflectedAddress->getProperty('id'); $reflectedId->setAccessible(true); $reflectedId->setValue($this->address, 1); $this->assertSame(1, $this->address->getId()); }